{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["ethnicity of people", "sports team of location", "place of birth", "children"], "input": "The anticipated trading of Allen Iverson by the Philadelphia 76ers will mark an unofficial end to a dubious period of professional basketball ."}
{"ethnicity of people": [], "sports team of location": [], "place of birth": [], "children": []}